text: #!/usr/bin/env python3
  # -*- coding: utf-8 -*-
  # Copyright 2020-2021 CERN
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  #
  # Authors:
  # - Benedikt Ziemons <benedikt.ziemons@cern.ch>, 2020-2021
  # - Thomas Beermann <thomas.beermann@cern.ch>, 2021
  # - Martin Barisits <martin.barisits@cern.ch>, 2021
  # - Radu Carpa <radu.carpa@cern.ch>, 2021
  
  import importlib
  
  from flask import Flask
  
  from rucio.common.config import config_get
  from rucio.common.exception import ConfigurationError
  from rucio.common.logging import setup_logging
  
  DEFAULT_ENDPOINTS = [
      'accountlimits',
      'accounts',
      'config',
      'credentials',
      'dids',
      'export',
      'heartbeats',
      'identities',
      'import',
      'lifetime_exceptions',
      'locks',
      'meta',
      'ping',
      'redirect',
      'replicas',
      'requests',
      'rses',
      'rules',
      'scopes',
      'subscriptions',
  ]
  
  
  def apply_endpoints(app, modules):
      for blueprint_module in modules:
          try:
              # searches for module names locally
              blueprint_module = importlib.import_module('.' + blueprint_module,
                                                         package='rucio.web.rest.flaskapi.v1')
          except ImportError:
              raise ConfigurationError(f'Could not load "{blueprint_module}" provided in the endpoints configuration value')
  
          if hasattr(blueprint_module, 'blueprint'):
              app.register_blueprint(blueprint_module.blueprint())
          else:
              raise ConfigurationError(f'"{blueprint_module}" from the endpoints configuration value did not have a blueprint')
  
  
  try:
      endpoints = config_get('api', 'endpoints', raise_exception=False, default='')
      endpoints = list(filter(bool, map(str.strip, endpoints.split(sep=','))))
  except RuntimeError:
      endpoints = None
  
  if not endpoints:
      endpoints = DEFAULT_ENDPOINTS
  
  setup_logging()
  application = Flask(__name__)
  apply_endpoints(application, endpoints)
  
  
  if __name__ == '__main__':
      application.run()
  